Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:27Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
320K
∑_{k=1}^{n} k = n(n+1)/2
144K
det| 4 7 ; 0 5 | = 20
AgNO₃ + NaCl → AgCl↓ + NaNO₃
90K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
394K
det| 12 1 ; 4 13 | = 152
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}